def login_user(request):
    if request.method == 'POST':
        form = LoginForm(request.POST)
        username = request.POST['username']
        password = request.POST['password']

        user = authenticate(username=username, password=password)
        if user is not None:
            if user.is_active:
                login(request, user)

                return redirect('home')
    else:
        form = LoginForm()

        if request.user.is_authenticated:
            return redirect('profile')

    return render(request, 'registration/login.html', {'form': form})